// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. extern "rust-call" fn foo() { } //~ ERROR rust-call ABI is subject to change trait Foo { extern "rust-call" fn foo(); } impl Foo for i32 { extern "rust-call" fn foo() { } //~ ERROR rust-call ABI is subject to change } fn main() { }